Plans to nearly double the output and capacity of the world’s biggest battery energy storage system (BESS) project to date have been announced by its owner, Vistra Energy. 

Plans to procure energy from nine large-scale battery energy storage system (BESS) projects in California have been announced by Pacific Gas & Electric (PG&E), one of the state’s three main investor-owned utilities.

California’s Self-Generation Incentive Program (SGIP), the scheme to incentivise the use of distributed energy, opens for applications at the beginning of next month, weighted to favour energy storage.

Energy storage and microgrid software specialist Geli Energy and storage system maker Imergy Power Systems will collaborate on a California Energy Commission-funded microgrid project which could save a college district US$75,000 a year in energy bills.

An unnamed utility in California is preparing to test a grid storage system and look at the potential value streams it could provide, according to NEC Energy Solutions, which is providing the system.